PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/05-15:57:50
G02     88.9           10.4               12.4 +/-    1.46      34.4 +/-    1.46  0.060 / 0.070
G05     45.5           29.0                7.0 +/-    1.58      12.6 +/-    1.58  0.070 / 0.080
G13     89.1           35.3               10.4 +/-    1.56      16.4 +/-    1.56  0.060 / 0.110
G15     141.7          43.5               10.9 +/-    0.71      15.0 +/-    0.71  0.060 / 0.090
G20     239.4          28.7               10.9 +/-    1.95      19.5 +/-    1.95  0.040 / 0.050
G21     304.7          41.5                9.0 +/-    1.16      12.7 +/-    1.16  0.040 / 0.040
G25     201.3          17.5               11.7 +/-    2.13      27.5 +/-    2.13  0.170 / 0.480
G26     299.3          19.4                5.6 +/-    1.36      12.6 +/-    1.36  0.190 / 0.400
G29     131.7          83.7               11.6 +/-    0.48      11.7 +/-    0.48  0.060 / 0.080